| 1 | A study found memory improvements of 10% for words said out loud. | |
| 2 | In one study people who walked around an arboretum did 20% better on a memory test than those who went for a walk around busy streets. | |
| 3 | A series of studies published in Psychological Science found that money can influence responses to both emotional and physical pain. | |
| 4 | I dip my forefinger in the watery blood of your impotent mad redeemer, and write over his thorn-torn brow: The true prince of evil - the king of the slaves! |